852570 859168T Mercury Starter Motor | Genuine Used Part

🔧 Product Description

Genuine Mercury / Mariner 9.9HP-15HP Four-Stroke Starter Motor - Part Numbers: 852570 / 859168T

A genuine Mercury starter motor used on Mercury and Mariner 9.9HP and 15HP four-stroke outboards. This electric starter motor is part of the 50-852570 / 50-859168T starter family used on small four-stroke portable engines.

⚙️ Key Features

• Genuine Mercury / Mariner starter motor

• Correct OEM references 852570 and 859168T

• 12-volt electric starter motor

• Used on 9.9HP and 15HP four-stroke outboards

• Cross-references with 50-857065 and 50-859168 starter references

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 50-859168T later Mercury starter motor reference

• 50-859168 related Mercury starter motor reference

• 50-857065 related Mercury starter motor reference

• 50-852570T related Mercury starter motor reference

• 50-852570 earlier Mercury starter motor reference

OEM / Related Numbers:

• 852570

• 50-852570

• 50-852570T

• 857065

• 50-857065

• 859168

• 50-859168

• 859168T

• 50-859168T

Aftermarket / Verified Equivalents:

• Recmar: REC50-859168T

• Sierra-style replacement for 50-852570 / 50-859168T

• Aftermarket reference: 50-852570 / 50-859168T

🚤 Compatibility

Commonly used on:

• Mercury 9.9HP four-stroke electric-start outboards

• Mercury 15HP four-stroke electric-start outboards

• Mariner 9.9HP and 15HP four-stroke starter systems

Typically suits:

• Engine models:

• Mercury 9.9HP 4-Stroke electric-start applications

• Mercury 9.9HP BigFoot 4-Stroke electric-start applications where 50-859168T is specified

• Mercury 15HP 4-Stroke electric-start applications

• Mercury 15HP BigFoot 4-Stroke electric-start applications where 50-859168T is specified

• Mariner 9.9HP 4-Stroke starter applications using 50-852570 / 50-859168T

• Mariner 15HP 4-Stroke starter applications using 50-852570 / 50-859168T

• HP Range: 9.9HP - 15HP

• Engine Type: Mercury / Mariner four-stroke portable outboard

• Year Range: approximately late-1990s to mid-2000s depending on model and serial range

• System Type: Electric starter motor

🔌 Function

The starter motor converts battery power into mechanical cranking force and turns the flywheel to start the engine.

Common signs of failure:

• Starter relay clicks but motor does not turn

• Slow cranking with charged battery

• Starter drive not engaging

• Intermittent hot-start issue

• Corroded terminals or water intrusion

• Worn brushes, armature, bushings or starter drive gear

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated